Internet connection I have everything working for last three years, suddenly stopped working sicne yesterday. I have Alcatel spped touch home modem connected Lynksys wireless router, which is connected to two hardwire computer and many wireless laptops. AT&T says we have passwprd problem and somehow Lynksys needs to reset the password, there is no password provided by linksys. I connected Alcatel model directly to computer, but still nothing worked, I keep getting window with userid and password, I entered Yahoo account and password (suggested by ATT) but again it didn't work, please help seems like it is more userid password problem. Thanks

No I have not. Only thing I can think off is, I have changed my password for my yahoo account two weeks ago, but everything was working so far.No I have not. Only thing I can think off is, I have changed my password for my yahoo account two weeks ago, but everything was working so far.

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Sounds like a problem with your cable connection. Check your coaxial cable, and the splitter from where the cable enters your home. The tech will use a signal meter to measure the quality of your cable, and then replace the wiring if necessary.

My RCA DCM425C from Comcast had the same problem when I came home Saturday, 11/14/09 (coincidentally the same day you posted). Had been working fine - cable TV still works fine including On Demand, etc. The Internet light was blinking. Occasionally I'd see it try to work from one light to three or four, but it always came back to one. Called Comcast, they said their side showed "no signal". Sent out a tech today. He replaced the cable modem, reprovisioned it (I guess if I had a backup ready I could have done the provisioning over the phone maybe?)), everything's great. Lasted about a year and a half. When I logged in via http://192.168.100.1, it said it was still in Step 1 of 5 ("Tuning"), and the logs showed a whole bunch of errors on Saturday that stopped after that. Diagnostics would always freeze the built-in web server and require reboot.

I had a similar problem. Turns out my ISP was blocking IP phone calls. I bought a vpn appliance and solved the problem. If you use a soft phone you could try a personal vpn for 5 bucks to see if it works for you before shelling out for a hardware fix. That's what I did.

This is only a suggestion you might want to replace the modem after all you have had a good use out of it I think its finally tiring out?
REPLACE IT you'll have much more fun with a newer one not to mention YEARS of fun.